Calculate the total mass of the neutrons in 19 9 F.

Part A

Calculate the total mass of the neutrons in 19 9 F.

Use 1.008665 amu as the mass of 10n (mass of a neutron).

Express your answer in atomic mass units to 7 significant figures.

Part B

Calculate the mass defect of 19 9 F.

Use 18.9984 amu as the actual mass of 19 9 F.

Express your answer in atomic mass units to the fourth decimal place.

1 Answer

  • PART B: -0.1587 amu

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